As a Spring Steel Flat Bar manufacturer. Our organization is greatly appreciated for Exporting Spring Steel Flat Bar of best quality. Our Spring Steel Flat Bar is generally used for Anchor plat, Laminated Leaf Spring, Rotary Tillage Coulter Knife and also can used in military industry. We offer Spring Steel Flat Bar in different sizes and thickness to cater to the divergent demands of the clients.

Product Chemical Composition(%)
Standard				C	Si	Mn	Cr (≤)	V	P	S
GB	SAE	JIS	DIN						≤
65Mn	1066			0.62-0.7	0.17-0.37	0.9-1.2	0.25		0.035	0.035
60Si2Mn	9260	SUP6	60Si7	0.56-0.64	1.5-2	0.6-0.9	0.35		0.035	0.035
60Si2MnA	9260	SUP7	60Si7	0.56-0.64	1.6-2	0.6-0.9	0.35		0.025	0.025
55CrMnA	5155	SUP9	55Cr3	0.52-0.6	0.17-0.37	0.65-0.95	0.95		0.025	0.025
60CrMnA	5160	SUP9A		0.56-0.64	0.17-0.37	0.7-1	1		0.025	0.025
50CrVA	6150	SUP10	51CrV4	0.46-0.54	0.17-0.37	0.5-0.8	1.1	0.1-0.2	0.025	0.025

Standard
GB	ASTM	JIS	DIN/EN
65	1065	SWRH67B	C66D  1.0612
70	1070	SWRH72B	C70D  1.0615
85	1084	SWRH82B	C86D  1.0616
65Mn	1566	SWRH67B
70Mn	1572	SWRH72B
55Si2Mn	9255
60Si2Mn	9260	SUP6/7	61SiCr7  1.7108
55CrMnA	5155	SUP9	55Cr3  1.7176
60CrMnA	5160	SUP9A	60Cr3  1.7177
60CrMnMoA	4161	SUP13	60CrMo3  1.7241
50CrVA	6150	SUP10	51CrV4  1.8159
1Cr18Ni9	302	SUS302
0Cr19Ni10	304	SUS304
0Cr17Ni12Mo2	316	SUS316
0Cr17Ni8Al	631	SUS631J1

Size range:
Round bar: dia 8-420mm
Steel plate and flat bar: thickness 0.1-340mm